#!/usr/bin/perl
# servers.cgi
# Copyright (C) 2006  Stephane Alnet
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
# 

#
# For more information: http://carrierclass.net/
#
use strict; use warnings;
use CGI;

my $cgi = new CGI;
my $ip = $cgi->param('ip');
exit 1 if not defined $ip or $ip !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;

my %meminfo;
if( open(my $f2,'<',"/home/www/data/server/$ip/meminfo") )
{
    while(<$f2>)
    {
        chomp;
        next unless /^(\w+):\s+(\d+) kB/;
        $meminfo{$1} = $2;
    }
    close($f2);
}
my $progress = 0.0;
if(exists $meminfo{'MemFree'} and exists $meminfo{'MemTotal'})
{
    $progress = $meminfo{'MemFree'}*100.0/$meminfo{'MemTotal'};
}

print $cgi->header(-type => 'text/json; charset=utf-8');
print qq({ "progress" : "${progress}%" }\n);
